Basic Principles of Plumbing: National Plumbing Code of the Philippines

Plumbing Systems

• Each fixture directly connected to the drainage system should be equipped with a trap and a vent terminal.

Vent Terminals

• The purpose of vent terminals is to prevent siphonage and backflow in the drainage system.

NAMPAP

• NAMPAP stands for National Master Plumbing Association of the Philippines.
• The organization is responsible for ensuring that plumbing systems are made of durable NAMPAP-approved materials.

Leak Detection

• To effectively disclose all leaks and defects in plumbing systems, regular inspections and tests are required.

1999 National Plumbing Code of the Philippines

Principles

• The principle of Adequacy ensures that plumbing fixtures have water in sufficient volume and at adequate pressure.

Minimum Requirements

• The minimum requirement for a family dwelling unit is at least one water closet, one lavatory, and one shower or bathtub.

Safety Principles

• The principle of Safety focuses on preventing dangers from explosion through overheating.

Efficiency Principle

• The primary purpose of the principle of Efficiency is to promote the effective use of water and energy in plumbing systems.

Building Requirements

• Buildings abutting on a street with a public sewer must be connected to the sewer.